1.Yesterday I bought a nice golden frame .It ____ the painting very well.
题目
1.Yesterday I bought a nice golden frame .It ____ the painting very well.
A.set out
B.set about
C.set off
D.set to
2.Old as the man is ,he still leads an active life and he always urges that he ___ young.
A.should be
B.be
C.was
D.is
答案
举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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